From Aaron's Rod (a caduceus) to Zodiacus Vitae (an Elizabethan schoolbook), this Encyclopedia has long been the classic among astrological reference works. Among thousands of entries are the complete terminologies for natal, mundane, electional & horary astrologies, as well as definitive articles on Arabian Parts, Aspects, Calendars, Cycles, Degrees, Dignities, Directions, Eclipses, Houses, Planets, Ptolemaic Astrology, Retrogrades, Ruling signs of major cities, Signs of the Zodiac, the Solar System & much more.